#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
	int arr1[1000] = { 0 };
	int arr2[1000] = { 0 };
	int m = 0, n = 0;
	scanf("%d%d", &n, &m);
	int i = 0, j = 0;
	for (i = 0; i < n; i++)
	{
		scanf("%d", &arr1[i]);
	}
	for (j = 0; j < m; j++)
	{
		scanf("%d", &arr2[j]);
	}
	i = 0, j = 0;
	while (i < n && j < m)
	{
		if (arr1[i] < arr2[j])
		{
			printf("%d ", arr1[i]);
			i++;
		}
		else
		{
			printf("%d ", arr2[j]);
			j++;
		}

	}
	if (i == n && j < m)
	{
		for (; j < m; j++)
		{
			printf("%d ", arr2[j]);
		}
	}
	else if (j == m && i < n)
	{
		for (; i < n; i++)
			printf("%d ", arr1[i]);
	}
}